n.传染,接触传染,道德败坏,歪风
I'm a blood donor; I can't risk any contagion.
我是献血者,我不能冒任何接触传染的危险。
He continues to insulate his country from the contagion of foreign ideas.
他继续使本国远离外来思想的侵袭。
There is no risk of contagion.
没有接触传染的风险。